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Enhancing electrical and thermal stress capabilities of hybrid CBs in VSC based MT HVDC grids using thyristor based FCL topology. [PDF]
Sci RepKhan B +5 more
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Endurance Paradox in Hafnium-Oxide-Based Silicon-Channel Ferroelectric Transistors. [PDF]
ACS Appl Mater InterfacesDas A +14 more
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Active Capacitor Voltage Balancing in Single-Phase Flying-Capacitor Multilevel Power Converters
IEEE Transactions on Industrial Electronics, 2012 Two active capacitor voltage balancing schemes are proposed for single-phase (H-bridge) flying-capacitor multilevel converters. They are based on the circuit equations of flying-capacitor converters. Consequently, they can be implemented using straightforward control rules.
Hossein Sepahvand +2 more
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A generalized capacitor voltage balancing scheme for flying capacitor multilevel converters
2010 Twenty-Fifth Annual IEEE Applied Power Electronics Conference and Exposition (APEC), 2010 Multilevel power electronic converters are the converter of choice in medium-voltage applications due to their reduced switch voltage stress, better harmonic performance, and lower switching losses. Although it has received little attention, the flying-capacitor multilevel converter has a distinct advantage in terms of its ease of capacitor voltage ...
Mostafa Khazraei +3 more
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MMC Capacitor Voltage Decoupling and Balancing Controls
IEEE Transactions on Power Delivery, 2015A Modular Multilevel Converter (MMC) control system based on converter energy storage is proposed in this paper for two different control modes: active power and dc voltage. The proposed control system decouples the sub-module (SM) capacitor voltages from the dc bus voltage. One of the practical applications is the management of active redundant SMs. A
Hani Saad +2 more
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A Novel Diode-Clamped Modular Multilevel Converter With Simplified Capacitor Voltage-Balancing Control [PDF]
IEEE Transactions on Industrial Electronics, 2017 © 1982-2012 IEEE. Multilevel converters have become very attractive for high-voltage-level power conversion in renewable power generation applications. The converter topology is an important issue in the studies of multilevel converter.
Xiangdong Liu +2 more
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Capacitor Voltage Balancing for Multilevel Dual-Active-Bridge DC–DC Converters [PDF]
IEEE Transactions on Industrial Electronics, 2023 Capacitor voltage balancing is a critical issue for neutral-point-clamped-based converters, including the two/three-level dual-active-bridge dc–dc converters.
Chaochao Song +2 more
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IET Power Electronics, 2012 This article provides an analysis of modular multilevel converter capacitor voltage balancing based on phase voltage redundant ...
G P Adam, S J Finney
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Voltage balancing using switched capacitors
Electric Power Systems Research, 1992Thyristor switched capacitors (TSCs) are a useful means of load balancing and reactive power support. The control of a general load by a binary weighted switched capacitor system is discussed in this paper along with a simple control scheme where the capacitor bank across a line pair is adjusted to control the fundamental voltage magnitude for that ...
Ledwich, G. F. +2 more
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A New Nine-Level Voltage Source Inverter with Capacitor Voltage Balancing
IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, 2018In this paper, a new nine-level voltage source inverter for medium-voltage high-power applications is proposed. The proposed topology is a combination of the active nested neutral-point clamped inverter and the flying capacitor inverter. A carrier-based sinusoidal pulse width modulation scheme is developed to balance the voltage of the flying ...
Rasul Tarvirdilu-Asl, Mehdi Narimani
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